Size:6 Pack This KOR 39-Watt PAR20 120V Halogen Flood, is the familiar, classic halogen product that most homeowners and businesses use when they need high light output from small fixtures indoor and outdoor. The most common uses would be in track lighting, small recessed cans, over the range hood and outdoor lighting. Halogen PAR flood products provide bright, white light together with high color rendering. This versatile "high-end" light adds to the appeal of home furnishings, or calls attention to showroom merchandise. These Halogen PAR floods are a more energy efficient substitute for traditional incandescent floods. By design, the PAR20 will fit wherever the R20 fits, and the PAR20 also features the same great dimming properties. Halogen PAR20 floods have a "lamp within a lamp" construction. Inside the outer jacket that you see, there is a tungsten halogen capsule, which is the inner "lamp". This is why halogen products are more efficient than standard incandescent bulbs. And, halogen products do not contain mercury, commonly used in some other types of energy efficient products. KOR halogen 39W PAR20 floods uses only 39 Watts replaces the 50-Watt PAR20 - 50PAR20 with same lumen output making it a bright, energy saving alternative to standard incandescent light bulbs.- 120 Volt Halogen Light Bulbs.